Lenovo ThinkPad T43p - Manual (Page 26)

v 2 Universal Serial Bus (USB) connectors
v Infrared port
v RJ11 telephone connector
v RJ45 Ethernet connector
v Ultrabay ™ Slim
v Docking connector
v Integrated wireless LAN feature (on some models)
v Integrated Bluetooth feature (on some models)
Features
4 ThinkPad ® T40 Series Service and Troubleshooting Guide